chore(ci): add support for pushing proto definitions to Buf Schema Re…

…gistry

.github/workflows/buf-ci.yml

@@ -0,0 +1,23 @@
+name: buf-ci
+on:
+  push:
+    branches:
+      - main
+      - "v[0-9]+.x"
+  pull_request:
+permissions:
+  contents: read
+  pull-requests: write
+jobs:
+  buf:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: bufbuild/buf-setup-action@v1
+      - uses: bufbuild/buf-breaking-action@v1
+        with:
+          input: pb
+          against: 'https://github.com/celestiaorg/go-square.git#branch=main,subdir=proto'
+      - uses: bufbuild/buf-lint-action@v1
+        with:
+          input: pb

.github/workflows/buf-release.yml

@@ -0,0 +1,23 @@
+name: buf-release
+on:
+  push:
+    tags:
+      - "v*"
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: bufbuild/buf-setup-action@v1
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          version: "1.44.0"
+      # Push the protobuf definitions to the BSR
+      - uses: bufbuild/buf-push-action@v1
+        with:
+          buf_token: ${{ secrets.BUF_TOKEN }}
+      - name: "push the tag label to BSR"
+        run: |
+          set -euo pipefail
+          echo ${{ secrets.BUF_TOKEN }} | buf registry login --token-stdin
+          buf push --label ${{ github.ref_name }}

buf.yaml

@@ -1,4 +1,4 @@
-version: v1
+version: v2
 name: buf.build/celestiaorg/go-square
 breaking:
   use: